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***************** Figure 9: Mergers Restricted Around the World		 *****************
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use CCL_Law_Data_Ver1.dta,clear

merge country year using CCL_Enforcement_Data_Ver1.dta, sort
drop _merge

preserve
keep if year >1990
keep if year <2011
drop if regional_group==1
drop if competition_law_coded_ever==0

tab merger_stopped year

egen EFF = sum(merger_stopped), by(year)
tab year EFF

egen tag = tag(year)
twoway line EFF year if tag, sort saving(merger_stopped) graphregion(color(white)) bgcolor(white) xtitle("Year") ytitle("Number") lpattern(1 _ shortdash_dot longdash) xla(1990(5)2010) yla(0(250)1050) ylin(1000)

